feat(intel): add SMC support for HWMON voltage and temp sensor
Add support to read temperature and voltage using SMC command
Signed-off-by: Kris Chaplin <kris.chaplin@linux.intel.com>
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Change-Id: I806611610043906b720b5096728a5deb5d652b1d
diff --git a/plat/intel/soc/common/include/socfpga_mailbox.h b/plat/intel/soc/common/include/socfpga_mailbox.h
index 09dd117..b260a62 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -51,6 +51,11 @@
#define MBOX_RECONFIG_DATA 0x08
#define MBOX_RECONFIG_STATUS 0x09
+/* HWMON Commands */
+#define MBOX_HWMON_READVOLT 0x18
+#define MBOX_HWMON_READTEMP 0x19
+
+
/* QSPI Commands */
#define MBOX_CMD_QSPI_OPEN 0x32
#define MBOX_CMD_QSPI_CLOSE 0x33
@@ -178,5 +183,7 @@
int mailbox_rsu_status(uint32_t *resp_buf, uint32_t resp_buf_len);
int mailbox_rsu_update(uint32_t *flash_offset);
int mailbox_hps_stage_notify(uint32_t execution_stage);
+int mailbox_hwmon_readtemp(uint32_t chan, uint32_t *resp_buf);
+int mailbox_hwmon_readvolt(uint32_t chan, uint32_t *resp_buf);
#endif /* SOCFPGA_MBOX_H */
diff --git a/plat/intel/soc/common/include/socfpga_sip_svc.h b/plat/intel/soc/common/include/socfpga_sip_svc.h
index 0f3cc09..43f3dc4 100644
--- a/plat/intel/soc/common/include/socfpga_sip_svc.h
+++ b/plat/intel/soc/common/include/socfpga_sip_svc.h
@@ -50,6 +50,11 @@
#define INTEL_SIP_SMC_RSU_DCMF_STATUS 0xC2000014
#define INTEL_SIP_SMC_RSU_COPY_DCMF_STATUS 0xC2000015
+/* Hardware monitor */
+#define INTEL_SIP_SMC_HWMON_READTEMP 0xC2000020
+#define INTEL_SIP_SMC_HWMON_READVOLT 0xC2000021
+#define TEMP_CHANNEL_MAX (1 << 15)
+#define VOLT_CHANNEL_MAX (1 << 15)
/* ECC */
#define INTEL_SIP_SMC_ECC_DBE 0xC200000D